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Spring Boot的WebMvcTest，是什么导致了IllegalArgumentException？

javaspring-boot
5

我有一个在Spring Boot项目中的WebMvcTest测试。我启用了HTTPS和JWT令牌身份验证。在添加它们之前测试可以运行，但添加后出现IllegalArgumentException异常。

我无法确定异常来自何处。有人能指点我正确的方向吗？

测试类：

@RunWith(SpringRunner.class)
@WebMvcTest(controllers = ActionController.class)
public class ActionControllerTests {

    @Autowired
    private MockMvc mvc;

    @MockBean
    private ActionService service;

    @MockBean
    private UserDetailsService userDetailsService;

    @MockBean
    private JwtRequestFilter jwtRequestFilter;

    @Test
    @WithMockUser
    public void testGetActions_returns_result_from_service() throws Exception {
        int actionId = 1;
        Action action = new Action();
        action.setId(actionId);
        List<Action> actionsList = Arrays.asList(action);

        given(service.getActions()).willReturn(actionsList);

        mvc.perform(get("/actions").secure(true)
                .contentType(MediaType.APPLICATION_JSON))
                .andExpect(status().isOk())
                .andExpect(jsonPath("$", hasSize(1)))
                .andExpect(jsonPath("$[0].id", Matchers.is(actionId)));
    }
}

它抛出了这个非法参数异常：
java.lang.IllegalArgumentException: Attribute name must not be null

    at org.springframework.util.Assert.notNull(Assert.java:198)
    at org.springframework.mock.web.MockHttpServletRequest.setAttribute(MockHttpServletRequest.java:756)
    at javax.servlet.ServletRequestWrapper.setAttribute(ServletRequestWrapper.java:257)
    at javax.servlet.ServletRequestWrapper.setAttribute(ServletRequestWrapper.java:257)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
    at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:116)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
    at org.springframework.web.filter.CorsFilter.doFilterInternal(CorsFilter.java:92)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
    at org.springframework.security.web.header.HeaderWriterFilter.doHeadersAfter(HeaderWriterFilter.java:92)
    at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:77)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
    at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:105)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
    at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:56)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
    at org.springframework.security.web.access.channel.ChannelProcessingFilter.doFilter(ChannelProcessingFilter.java:157)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
    at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:215)
    at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:178)
    at org.springframework.mock.web.MockFilterChain.doFilter(MockFilterChain.java:134)
    at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
    at org.springframework.mock.web.MockFilterChain.doFilter(MockFilterChain.java:134)
    at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
    at org.springframework.mock.web.MockFilterChain.doFilter(MockFilterChain.java:134)
    at org.springframework.test.web.servlet.MockMvc.perform(MockMvc.java:183)
    at nl.kars.lms.controller.ActionControllerTests.testGetActions_returns_result_from_service(ActionControllerTests.java:57)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.base/java.lang.reflect.Method.invoke(Method.java:566)
    at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
    at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
    at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
    at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
    at org.springframework.test.context.junit4.statements.RunBeforeTestExecutionCallbacks.evaluate(RunBeforeTestExecutionCallbacks.java:74)
    at org.springframework.test.context.junit4.statements.RunAfterTestExecutionCallbacks.evaluate(RunAfterTestExecutionCallbacks.java:84)
    at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:75)
    at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:86)
    at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:84)
    at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:251)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97)
    at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
    at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
    at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
    at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
    at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:190)
    at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
    at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
    at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33)
    at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:230)
    at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:58)

非常感谢。
3个回答
10

在Spring中，Mocking jwtRequestFilter 会导致Spring尝试将Mock用作实际的过滤器。这正是导致异常的原因。

Kumar V的回答建议添加@AutoConfigureMockMvc(addFilters = false)，这只是一种解决方法，因为它禁用了JwtRequestFilter，这在这种情况下并不是好的做法。

您有两个选择：

  1. 完全删除Mock的JwtRequestFilter；或者
  2. 使用given().willReturn()将所有必要的行为配置到Mock的jwtRequestFilter中。

我建议在这种情况下选择选项1，除非您有特殊原因不想使用真正的JwtRequestFilter。

4

看起来这个请求被一些内部过滤器（与安全有关）拦截了。

如果你的测试用例不想测试与过滤器相关的内容，我们可以使用 @AutoConfigureMockMvc(addFilters = false) 禁用所有过滤器进行你的测试用例。

谢谢，添加@AutoConfigureMockMvc(addFilters = false)确实解决了问题。我可以问一下如何找出导致异常发生的过滤器是哪个？因为在堆栈跟踪中没有提到它的名称。 - Kars
从堆栈跟踪来看，应该是CorsFilter导致了这个异常。 - Kumar V
0

对我来说，删除下面这行代码可以解决问题。

 @MockBean
 protected JwtTokenFilter jwtTokenFilter;

看起来 @WebMvcTest 会自动配置安全相关的 bean。

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